public void Parse(IMpeg2VideoReader reader, IResultNodeState resultState)
{
resultState.Name = Name;
reader.GetFlag(Attribute.CopyrightFlag);
reader.GetBits(8, Attribute.CopyrightIdentifier);
reader.GetFlag(Attribute.OriginalOrCopy); // TODO: true = original, false = copy
reader.GetReservedBits(7);
reader.GetMarker();
reader.GetAttribute(_copyrightNumberAttribute);
}
public void Parse(IMpeg2VideoReader reader, IResultNodeState resultState)
{
resultState.Name = Name;
// Note: Last header must be a sequence, group of pictures or picture header, or an extension.
// Note: Sequence end code always ends parsing of a block, so it cannot occur at this point!
string lastHeader = reader.State.LastHeaderName;
if ((lastHeader == Slice.Name) || (lastHeader == UserData.Name))
{
// User data cannot occur immediately after a slice or (another) user data
resultState.Invalidate();
return;
}
reader.GetAttribute(_userDataAttribute);
}
public void Parse(IMpeg2VideoReader reader, IResultNodeState resultState)
{
resultState.Name = Name;
IMpeg2VideoState state = reader.State;
// It can occur after the last slice of a picture or after a sequence header, possible followed by user data and/or extensions
if ((state.LastHeaderName != Slice.Name) && (state.LastHeaderName != null) && (!state.Sequence.Initialized || state.SeenGop || state.Picture.Initialized))
{
resultState.Invalidate();
return;
}
if (!reader.State.Sequence.Initialized)
{
reader.InsertReferenceHeaderBeforeStartCode();
}
state.SeenGop = true;
state.Picture.Reset();
reader.GetAttribute(_timeCodeAttribute);
reader.GetFlag(Attribute.ClosedGop);
reader.GetFlag(Attribute.BrokenLink);
}